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Series feeding network based on metamaterial compensation lines

: Loecker, Claudius; Galvis Salzburg, Carlos; Herbertz, Kai; Bertuch, Thomas


IEEE journal on multiscale and multiphysics computational techniques 2 (2017), S.142-146
ISSN: 2379-8815
ISSN: 2379-8793
Fraunhofer FHR ()

A series feeding network with dispersion engineered compensation lines to reduce beam-squint radiation in linear antenna applications is investigated. The compensation lines are loaded in sections with left-handed and right-handed unit cells and branch off the main feed line. The signals from the branch points to the antenna elements are slowed down appropriately. Measurements of the radiation pattern of a test antenna show only little deviation from broadside radiation over a large frequency range in X-band.